public IActionResult UploadTheImage(AdminUploadImage model)
{
if (model == null)
{
return(FormJsonResult("empty model"));
}
if (string.IsNullOrEmpty(model.ImageForUserName) || string.IsNullOrWhiteSpace(model.ImageForUserName))
{
return(FormJsonResult("empty user name"));
}
if (model.TheImageToUpload == null)
{
return(FormJsonResult("empty upload file"));
}
var blobData = new BlobDataDto()
{
FileName = model.TheImageToUpload.FileName,
Stream = model.TheImageToUpload.OpenReadStream()
};
// upload the image into blob storage
_blobService.SaveUserProfilePicture(model.ImageForUserName, blobData);
// cache the user
var user = _userService.FindAll().FirstOrDefault(x => x.UserName == model.ImageForUserName);
if (user != null)
{
_blobService.SetUserImageCached(user, true);
}
return(FormJsonResult("File " + blobData.FileName + " uploaded successfully."));
}
/// <summary>
/// Returns the first blob search by passes pattern.
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public BlobDataDto FindBlob(string path)
{
if (string.IsNullOrEmpty(path) || string.IsNullOrWhiteSpace(path))
{
throw new ServicesException("Null or blank path parameter FindBlob(path)");
}
if (path.Contains("\\"))
{
throw new ServicesException("Path parameter contains slash FindBlob(path)");
}
// Get a reference to our container.
var container = GetContainer();
// Verified that ListBlobs does not return null if not found
// There will be no null pointer exception here.
var blob = container.ListBlobs(path, false).FirstOrDefault();
if (blob == null)
{
return(null);
}
// Convert to blob, read to stream and return.
CloudBlockBlob blockBlob = (CloudBlockBlob)blob;
var result = new BlobDataDto()
{
Stream = new MemoryStream(), FileName = blockBlob.Name
};
blockBlob.DownloadToStream(result.Stream);
return(result);
}
public static void TestResizeUserFile()
{
var settings = Common.AppSettings.ReadSettings();
var currentDirectory = Directory.GetCurrentDirectory();
using (var fileStream = File.OpenRead(currentDirectory + "\\TestData\\mister.jpg"))
{
var blobService = new BlobService(settings, null);
var blobData = new BlobDataDto()
{
FileName = "mister.jpg", Stream = fileStream
};
var stream1 = blobService.ResizeToAvatar(fileStream, 100, 100);
string path = @"C:\Temp\z1.jpg";
if (File.Exists(path))
{
File.Delete(path);
}
using (var fileStream1 = File.OpenWrite(path))
{
stream1.Position = 0;
stream1.CopyTo(fileStream1);
}
}
}
public IActionResult UploadAvatar(AdminUploadImage model)
{
// todo this method is currently not quite protected
// however controller itself is marked as Authorize.
if (model == null)
{
return(FormJsonResultError("empty model"));
}
if (string.IsNullOrEmpty(model.ImageForUserName) || string.IsNullOrWhiteSpace(model.ImageForUserName))
{
return(FormJsonResultError("empty user name"));
}
if (model.TheImageToUpload == null)
{
return(FormJsonResultError("empty upload file"));
}
if (model.ImageForUserName != _userManager.GetUserName(User))
{
return(FormJsonResultError("invalid user"));
}
var blobData = new BlobDataDto()
{
FileName = model.TheImageToUpload.FileName,
Stream = model.TheImageToUpload.OpenReadStream()
};
try
{
// Save image into the blob storage.
_blobService.SaveUserProfilePicture(model.ImageForUserName, blobData);
}
catch (ServicesException ex)
{
return(FormJsonResultError(ex.Message));
}
// cache the user
var user = _userService.FindAll().FirstOrDefault(x => x.UserName == model.ImageForUserName);
if (user != null)
{
_blobService.SetUserImageCached(user, true);
}
return(FormJsonResult("File " + blobData.FileName + " uploaded successfully.", ""));
}
public static void TestUploadUserFile()
{
var settings = Common.AppSettings.ReadSettings();
var currentDirectory = Directory.GetCurrentDirectory();
using (var fileStream = File.OpenRead(currentDirectory + "\\TestData\\mister.jpg"))
{
var blobService = new BlobService(settings, null);
var blobData = new BlobDataDto()
{
FileName = "mister.jpg", Stream = fileStream
};
blobService.SaveUserProfilePicture("Anatoli1", blobData);
}
}
/// <summary>
/// Upload user's avatar picture to blobs
/// FileName will be taken only for extension.
/// </summary>
/// <param name="userName"></param>
/// <param name="blobData"></param>
public void SaveUserProfilePicture(string userName, BlobDataDto blobData)
{
// Todo check username for slashes
// use image resizer to resize to a small avatar.
// main avatar
var path = USER_IMAGES_PATH + userName + USER_IMAGES_EXTENSION;
var resizedImageStream = ResizeToAvatar(blobData.Stream, _avatarWidth, _avatarHeight);
resizedImageStream.Position = 0;
SaveFileToBlob(path, resizedImageStream);
//blobData.Stream.Position = 0;
// half avatar
var pathSmall = USER_IMAGES_PATH + userName + USER_IMAGES_EXTENSION_SMALL;
resizedImageStream.Position = 0;
var resizedImageStreamSmall = ResizeToAvatar(resizedImageStream, _avatarWidth / 2, _avatarHeight / 2);
resizedImageStreamSmall.Position = 0;
SaveFileToBlob(pathSmall, resizedImageStreamSmall);
}